CN101728613A - Combiner control method of multiple-category system signal and four-frequency combiner structure - Google Patents
Combiner control method of multiple-category system signal and four-frequency combiner structure Download PDFInfo
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Abstract
The invention discloses a combiner control method of multiple-category system signal. The method is as follows: a combiner structure is arranged, an antenna port is arranged on one end of the combiner structure, two signal output ports are arranged on the other end, wherein one output port is provided with three transmission channels which are connected with the antenna port, the other output port is directly connected with the antenna port; four filters are arranged in the combiner structure and are separately connected with the antenna port and the signal output ports; the system signal is transmitted to the combiner structure through the antenna port and separately enters the transmission channels provided with the filters; the frequency of the system signal responds and identifies the frequency range of the filters, the filters filtrate the other signals outside the frequency range according to the limited signal frequency range; and the system signal filtrated by the filters is output through the signal output port to form separate frequency band communication sections. The invention also provides a four-frequency combiner structure used for realizing the method.
Description
Technical field
The present invention relates to mobile communication technology and electronic information technical field, relate in particular to a kind of combination control method of multiple-category system signal, more relate to a kind of four frequency combiner structures that realize this method.
Background technology
Existing electronic information and mobile communication network are according to the different GSM of the being divided into networks of network, DCS network, 3G network (comprising WCDMA, TD-SCDMA, CDMA2000), wlan network, WIMAX network, digital TV network or the like, when the same building district will cover multiple network, the reception and the emitter of each automatic network generally need be installed respectively, this is equipment installation trouble not only, takes up room greatly, also improved simultaneously equipment cost.Based on this problem, a kind of communication signal of different frequency can the merging and unified the transmission, to install thereby simplify communication apparatus, the equipment that reduces the communication apparatus cost is the target that each big operator is pursued.
Based on above communications market demand, need four frequency combiners of a kind of integrated GSM, DCS, TD-SCDMA and WLAN at present, guarantee that the power capacity of whole four frequency combiners all is met under varying environment conditions such as various ambient temperatures, height above sea level, terminal coupling, system signal modulation format.Can insert GSM signal, DCS signal, TD-SCDMA signal and WLAN signal simultaneously, advanced the signal selection of filter separately respectively, filter out signal in addition itself, close road signal port output by one then, form frequency range passband separately, coexist as in the mixer and do not disturb mutually again, and make that through rational deployment this mixer volume is little, cost is low, performance is high, satisfy the requirements of netting performance index when covering more, simplify the installation that many nets cover city's communication apparatus greatly by using this mixer, reduce the communication apparatus cost.
At present, also do not have correlation technique and device can realize above-mentioned purpose.
Summary of the invention
The object of the present invention is to provide a kind of combination control method of multiple-category system signal, insert different system signals simultaneously, advanced the signal selection of filter separately respectively, filter out signal in addition itself, close road signal port output by one then, form frequency range passband separately, coexist as in the mixer and do not disturb mutually again; Another object of the present invention is to provide a kind of four frequency combiner structures that realize this method.
For effectively solving the problems of the technologies described above, the technical scheme that the present invention takes is:
A kind of combination control method of multiple-category system signal, its method may further comprise the steps:
(1) a mixer structure is set, comprise a box-packed body structure and a cover plate, at the one end one antenna port is set, the other end is provided with two signal output ports, wherein an output port is provided with three transmission channels respectively and links to each other with described antenna port, and another output port directly links to each other with described antenna port;
(2) filter of built-in four the different frequency scopes of described mixer structure is connected with described antenna port and signal output port respectively, and is separated by with metallic plate respectively between the described filter;
(3) system signal enters in the described mixer structure by described antenna port transmission, enters respectively in the transmission channel that is provided with described filter;
(4) response of the frequency range of frequency of described system signal own and described filter and identification, described filter filters out frequency range other signals in addition according to the signal frequency range that is limited;
(5) system signal after described filter filters is by described signal output port output, and the frequency band that forms separately leads to section.
Described step (1) is further comprising the steps of: also be provided with a plurality of resonators and a plurality of fixed connector in the described mixer structure, the bottom of described resonator is equipped with a circular ring structure, protrude at the box like structure position of described fixed connector institute seated position, and described fixed connector is fixed described antenna port and signal output port respectively.
Described step (2) is further comprising the steps of: the bar number of the internal transmission path between described number of filter and port is consistent, and the frequency range of four described filters is respectively 885-954MHz, 1710-2025MHz, 2300-2370MHz, 2400-2500MHz, described filter also is provided with and penetrates described cover plate and go deep into the interior a plurality of tuning screw rod of described resonator, and the capacitive of introducing the inductive coupled and dumbbell type realization of U molded lines realization in described filter is coupled.
Described step (3) is further comprising the steps of: described system signal comprises GCS signal, DCS signal, TD signal, WLAN signal respectively, and described antenna port transfers to the signal output port that three transmission channels are set with described GCS signal, DCS signal, TD signal, and described WLAN signal is transferred to another signal output port that unique path directly links to each other.
Described step (4) is further comprising the steps of: described antenna port can insert GSM signal, DCS signal, TD-SCDMA signal and WLAN signal simultaneously, and the signal that enters described filter is respectively selected, and filters out signal in addition itself.
Described step (5) is further comprising the steps of: the signal frequency of described system signal after described filter filters is at 885-954MHz, 1710-2025MHz, shared same signal output port in the 2300-2370MHz scope, signal frequency transfer to another signal output port through another transmission channel within the 2400-2500MHz scope.
A kind of four frequency combiner structures that realize said method, it comprises a box-like body structure and a cover plate, described box-like body inside configuration comprises filter and many barss transmission channel of four different frequency scopes, comprises a plurality of metal partion (metp)s between the described filter well; The outside end of described box-packed body structure comprises an antenna port, and the other end comprises two signal output ports, and wherein an output port is provided with three transmission channels respectively and links to each other with described antenna port, and another output port directly links to each other with described antenna port; Described box-like body inside configuration also comprises a plurality of resonators, and described resonator forms difform resonant cavity.
Described filter is connected with described antenna port and signal output port respectively, and described box-packed body structure also comprises a plurality of fixed connectors, and fixes described antenna port and signal output port respectively.
The bottom of described resonator includes a circular ring structure, and described filter also comprises a plurality of tuning screw rod that penetrates described cover plate and go deep into described resonator.
Beneficial effect of the present invention is: the combination control method of multiple-category system signal provided by the invention inserts different system signals simultaneously, advanced the signal selection of filter separately respectively, filter out signal in addition itself, close road signal port output by one then, form frequency range passband separately, coexist as in the mixer and do not disturb mutually again; Four frequency combiner structures provided by the invention guarantee that the power capacity of whole four frequency combiners all is met under varying environment conditions such as various ambient temperatures, height above sea level, terminal coupling, system signal modulation format; And make that through rational deployment this mixer volume is little, cost is low, performance is high, satisfy the requirements of netting performance index when covering more, simplify the installation that many nets cover city's communication apparatus greatly by using this mixer, reduction communication apparatus cost.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the port and the filter connection diagram of control method of the present invention;
Fig. 2 is the perspective view of four frequency combiners of the present invention;
Fig. 3 is four frequency combiner box like structure Facad structure schematic diagrames of the present invention.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of combination control method of multiple-category system signal, its method may further comprise the steps:
(1) a mixer structure is set, comprise a box-packed body structure 1 and a cover plate 2, at the one end one antenna port is set, the other end is provided with two signal output ports, wherein an output port is provided with three transmission channels respectively and links to each other with described antenna port, and another output port directly links to each other with described antenna port; Also be provided with a plurality of resonators and a plurality of fixed connector 3 in the described mixer structure, the bottom of described resonator is equipped with a circular ring structure, protrude at the box like structure position of 3 seated position of described fixed connector, and described fixed connector 3 is fixed described antenna port and signal output port respectively.
(2) filter of built-in four the different frequency scopes of described mixer structure is connected with described antenna port and signal output port respectively, and is separated by with metallic plate respectively between the described filter; The bar number of the internal transmission path between described number of filter and port is consistent, and the frequency range of four described filters is respectively 885-954MHz, 1710-2025MHz, 2300-2370MHz, 2400-2500MHz, described filter also is provided with and penetrates described cover plate 2 and go deep into the interior a plurality of tuning screw rod of described resonator, and the capacitive of introducing the inductive coupled and dumbbell type realization of U molded lines realization in described filter is coupled.
(3) system signal enters in the described mixer structure by described antenna port transmission, enters respectively in the transmission channel that is provided with described filter; Described system signal comprises GCS signal, DCS signal, TD signal, WLAN signal respectively, and described antenna port transfers to the signal output port that three transmission channels are set with described GCS signal, DCS signal, TD signal, and described WLAN signal is transferred to another signal output port that unique path directly links to each other.
(4) response of the frequency range of frequency of described system signal own and described filter and identification, described filter filters out frequency range other signals in addition according to the signal frequency range that is limited; Described antenna port can insert GSM signal, DCS signal, TD-SCDMA signal and WLAN signal simultaneously, and the signal that enters described filter is respectively selected, and filters out signal in addition itself.
(5) system signal after described filter filters is by described signal output port output, and the frequency band that forms separately leads to section; The signal frequency of described system signal after described filter filters is at 885-954MHz, 1710-2025MHz, shared same signal output port in the 2300-2370MHz scope, signal frequency transfer to another signal output port through another transmission channel within the 2400-2500MHz scope.
Referring to Fig. 1 and Fig. 2, a kind of four frequency combiner structures that realize said method, it comprises a box-like body structure 1 and a cover plate 2, and described box-like body inside configuration comprises filter and many barss transmission channel of four different frequency scopes, comprises a plurality of metal partion (metp)s between the described filter well; The outside end of described box-packed body structure comprises an antenna port, and the other end comprises two signal output ports, and wherein an output port is provided with three transmission channels respectively and links to each other with described antenna port, and another output port directly links to each other with described antenna port; Described box-like body inside configuration also comprises a plurality of resonators, and described resonator forms difform resonant cavity.
Described filter is connected with described antenna port and signal output port respectively, and described box-packed body structure also comprises a plurality of fixed connectors 3, and fixes described antenna port and signal output port respectively.
The bottom of described resonator includes a circular ring structure, and described filter also comprises a plurality of tuning screw rod that penetrates described cover plate 2 and go deep into described resonator.
Referring to Fig. 2 and 3, described four frequency combiners comprise box like structure 1, and cover plate 2, connector 3,4, four filters of trip bolt place box like structure 1 and metallic plate to be separated by, fixing described each port in the box like structure outside.Protrude at the box like structure position of described fixed connector, is used to prevent that the screw of fixed connector from going deep into box like structure, improves the passive intermodulation of product.The box like structure bottom protrusion of described fixed connector 31 and connector 32 is used to reduce processing capacity.
Described filter includes some resonators, and the partial resonance device is directly processed in box like structure, is beneficial to the minimizing cost.Filter is provided with and penetrates cover plate and go deep into some tuning screw rod in the resonator, is used to regulate resonance frequency and coupling amount.Introduce the capacitive coupling of the inductive coupled and dumbbell type realization of U molded lines realization in the filter.
Referring to Fig. 3, the resonator of the GSM filter between mouthful port2 and the antenna port port1 is 5, DCS﹠amp; The resonator of TD (AB) filter is 6, and the resonator of TD (C) filter is 8.WLAN filter resonator between the second port port3 and the antenna port port1 is 8.The resonator bottom of described filter all has annulus, guarantees that resonator and the tight of box like structure contact.
The resonator top of described filter and cover plate spacing and resonator and go deep into the spacing 2mm at least of the tuning screw rod of resonator guarantee that the power capacity of whole four frequency combiners all is met under varying environment conditions such as various ambient temperatures, height above sea level, terminal coupling, system signal modulation format.The box-like structure inner surface of described filter, resonator, cover plate is silver-plated, can guarantee that like this decay of radiofrequency signal in transmission course is very little.Described filter resonance cavity shape comprises rectangular cavity and special-shaped chamber.
The present invention's four frequency combiners are by box like structure 1, cover plate 2, and connector 3, trip bolt 4 are formed jointly.2 connectors 32,33 are fixed on box like structure 1 right side respectively, port is followed successively by the first port port2, the second port port3, the first port port2 is used for the radiofrequency signal of synthetic 885-954MHz, 1710-2025MHz, 2300-2370MHz, and port3 is used to transmit the radiofrequency signal of 2400-2500MHz.Box like structure 1 left side fixed connector 31 forms antenna port port1 and is used for closing the road and separating of signal.All there is projection at fixed connector 31,32,33,34,35 positions in the box like structure 1, for the screw 4 that prevents fixed connector 3 gos deep in the box like structure 1, reduce the object that has magnetic and enter the passive intermodulation that improves product in the box like structure.The box like structure bottom protrusion of fixed connector 1 and connector 2 is used to reduce processing capacity.
Referring to Fig. 3, described four filters 110,120,130,140 are separated by metallic plate 11,12,13 respectively as in the box like structure 1.Filter 110 is TD (C) passage 2300-2370MHz, and filter 120 is DCS and TD (AB) passage 1710-2025MHz, and ripple device 130 is GSM passage 885-954MHz, and ripple device 140 is WLAN passage 2400-2500MHz.Comprise some resonators 111,121,131,141 in each filter, 8 resonators 111 are arranged in its median filter 110,6 resonators 121 are arranged in the filter 120,5 resonators 131 are arranged in the filter 130,8 resonators 141 are arranged in the filter 140.The part resonator is directly processed on box like structure in filter 110, filter 120 and the filter 140, is beneficial to the minimizing cost.Resonator 111,121,131,141,118,126,135,148 is connected with connector 31,32,33 by transmission line 101,102,103,104,105,106,107,108.
There is the tuning screw rod 21 that passes cover plate to go deep in the filter 110,120,130,140 on the cover plate 2 of described four frequency combiners, is used to regulate coupling amount between the resonance frequency of resonator 111,121,131,141 and the resonator.Filter 110 interior resonance devices 111 are inductive coupled with resonator 114 window types, and between resonator 112 and the resonator 114, between resonator 115 and the resonator 117 the inductive coupled of U molded lines arranged, formation is to the transmission zero of WLAN passband 2400-2500MHz.Between filter 140 resonators 141 and the resonator 144 the inductive coupled of window type arranged, between the resonator 142 and 144, the capacitive coupling of dumbbell type is arranged between resonator 145 and the resonator 147, form transmission zero TD (C) passband 2300-2370MHz.These transmission zeros have improved the mutual inhibition between filter.
The resonator bottom of described filter all is circular to reduce contact area, guarantees that contacting of resonator and box like structure is tight; The resonator top of filter and cover plate spacing and resonator and go deep into the spacing 2mm at least of the tuning screw rod of resonator, when various environmental conditions such as ambient temperature, height above sea level, terminal coupling, system signal modulation format changed, the power capacity of four multiplexers still can meet the demands like this; In addition, the box like structure inner surface, resonator, cover plate are all silver-plated, can guarantee the decay of radiofrequency signal in transmission course like this.
The present invention is not limited to above-mentioned execution mode, and all employings analog structure of the present invention and method thereof realize that all execution modes of the object of the invention are all within protection scope of the present invention.
Claims (9)
1. the combination control method of a multiple-category system signal is characterized in that, its method may further comprise the steps:
(1) a mixer structure is set, comprise a box-packed body structure and a cover plate, at its box like structure one end one antenna port is set, the other end is provided with two signal output ports, wherein an output port is provided with three transmission channels respectively and links to each other with described antenna port, and another output port directly links to each other with described antenna port;
(2) filter of built-in four the different frequency scopes of described mixer structure is connected with described antenna port and signal output port respectively, and is separated by with metallic plate respectively between the described filter;
(3) system signal enters in the described mixer structure by described antenna port transmission, enters respectively in the transmission channel that is provided with described filter;
(4) response of the frequency range of frequency of described system signal own and described filter and identification, described filter filters out frequency range other signals in addition according to the signal frequency range that is limited;
(5) system signal after described filter filters is by described signal output port output, and the frequency band that forms separately leads to section.
2. the combination control method of multiple-category system signal according to claim 1, it is characterized in that, described step (1) is further comprising the steps of: also be provided with a plurality of resonators and a plurality of fixed connector in the described mixer structure, the bottom of described resonator is equipped with a circular ring structure, protrude at the box like structure position of described fixed connector institute seated position, and described fixed connector is fixed described antenna port and signal output port respectively.
3. the combination control method of multiple-category system signal according to claim 1, it is characterized in that, described step (2) is further comprising the steps of: the bar number of the internal transmission path between described number of filter and port is consistent, and the frequency range of four described filters is respectively 885-954MHz, 1710-2025MHz, 2300-2370MHz, 2400-2500MHz, described filter also is provided with and penetrates described cover plate and go deep into the interior a plurality of tuning screw rod of described resonator, and the capacitive of introducing the inductive coupled and dumbbell type realization of U molded lines realization in described filter is coupled.
4. the combination control method of multiple-category system signal according to claim 1, it is characterized in that, described step (3) is further comprising the steps of: described system signal comprises GCS signal, DCS signal, TD signal, WLAN signal respectively, and described antenna port transfers to the signal output port that three transmission channels are set with described GCS signal, DCS signal, TD signal, and described WLAN signal is transferred to another signal output port that unique path directly links to each other.
5. the combination control method of multiple-category system signal according to claim 1, it is characterized in that, described step (4) is further comprising the steps of: described antenna port can insert GSM signal, DCS signal, TD-SCDMA signal and WLAN signal simultaneously, the signal that enters described filter is respectively selected, and filters out signal in addition itself.
6. the combination control method of multiple-category system signal according to claim 1, it is characterized in that, described step (5) is further comprising the steps of: the signal frequency of described system signal after described filter filters is at 885-954MHz, 1710-2025MHz, shared same signal output port in the 2300-2370MHz scope, signal frequency transfer to another signal output port through another transmission channel within the 2400-2500MHz scope.
7. four frequency combiner structures that realize the described method of claim 1, it comprises a box-like body structure and a cover plate, it is characterized in that, described box-like body inside configuration comprises filter and many barss transmission channel of four different frequency scopes, comprises a plurality of metal partion (metp)s between the described filter well; The outside end of described box-packed body structure comprises an antenna port, and the other end comprises two signal output ports, and wherein an output port is provided with three transmission channels respectively and links to each other with described antenna port, and another output port directly links to each other with described antenna port; Described box-like body inside configuration also comprises a plurality of resonators, and described resonator forms difform resonant cavity.
8. four frequency combiner structures according to claim 7, it is characterized in that, described filter is connected with described antenna port and signal output port respectively, and described box-packed body structure also comprises a plurality of fixed connectors, and fixes described antenna port and signal output port respectively.
9. four frequency combiner structures according to claim 7 is characterized in that the bottom of described resonator includes a circular ring structure, and described filter also comprises a plurality of tuning screw rod that penetrates described cover plate and go deep into described resonator.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788472A (en) * | 2016-12-06 | 2017-05-31 | 广东欧珀移动通信有限公司 | The radio frequency front-end device and mobile terminal of carrier aggregation |
| CN107248604A (en) * | 2017-07-26 | 2017-10-13 | 德清利维通讯科技股份有限公司 | A kind of frequency combiners of GSM/DCS/TD/WLAN tetra- |
| CN107248603A (en) * | 2017-07-26 | 2017-10-13 | 德清利维通讯科技股份有限公司 | A kind of GSM/DCS/TD SCDMA tri-frequency combiners |
| CN107768785A (en) * | 2016-10-24 | 2018-03-06 | 苏州艾福电子通讯有限公司 | A kind of built-in ceramic cavity body filter |
| CN107800459A (en) * | 2016-08-31 | 2018-03-13 | 中国电信股份有限公司 | For the radio frequency remote unit RRU and path combining method across frequency range carrier aggregation |
| CN113054367A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Communication device and filter thereof |
| CN113054368A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Communication system and filter thereof |
| CN113054376A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312355A (en) * | 2007-05-23 | 2008-11-26 | 京信通信系统（中国）有限公司 | DCS/WCDMA dual-frequency combiner and general dual-frequency combiner |
| CN201178475Y (en) * | 2008-03-19 | 2009-01-07 | 深圳国人通信有限公司 | Multi-frequency path integrating device |
| WO2009128051A1 (en) * | 2008-04-14 | 2009-10-22 | Alcatel Lucent | Triple-mode cavity filter having a metallic resonator |
| CN201340896Y (en) * | 2009-01-08 | 2009-11-04 | 京信通信系统（中国）有限公司 | High-relative bandwidth dual-frequency combiner |
-
2010
- 2010-01-07 CN CN201010000283A patent/CN101728613A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312355A (en) * | 2007-05-23 | 2008-11-26 | 京信通信系统（中国）有限公司 | DCS/WCDMA dual-frequency combiner and general dual-frequency combiner |
| CN201178475Y (en) * | 2008-03-19 | 2009-01-07 | 深圳国人通信有限公司 | Multi-frequency path integrating device |
| WO2009128051A1 (en) * | 2008-04-14 | 2009-10-22 | Alcatel Lucent | Triple-mode cavity filter having a metallic resonator |
| CN201340896Y (en) * | 2009-01-08 | 2009-11-04 | 京信通信系统（中国）有限公司 | High-relative bandwidth dual-frequency combiner |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107800459A (en) * | 2016-08-31 | 2018-03-13 | 中国电信股份有限公司 | For the radio frequency remote unit RRU and path combining method across frequency range carrier aggregation |
| CN107768785A (en) * | 2016-10-24 | 2018-03-06 | 苏州艾福电子通讯有限公司 | A kind of built-in ceramic cavity body filter |
| CN106788472A (en) * | 2016-12-06 | 2017-05-31 | 广东欧珀移动通信有限公司 | The radio frequency front-end device and mobile terminal of carrier aggregation |
| CN106788472B (en) * | 2016-12-06 | 2019-08-16 | Oppo广东移动通信有限公司 | The radio frequency front-end device and mobile terminal of carrier wave polymerization |
| CN107248604A (en) * | 2017-07-26 | 2017-10-13 | 德清利维通讯科技股份有限公司 | A kind of frequency combiners of GSM/DCS/TD/WLAN tetra- |
| CN107248603A (en) * | 2017-07-26 | 2017-10-13 | 德清利维通讯科技股份有限公司 | A kind of GSM/DCS/TD SCDMA tri-frequency combiners |
| CN113054367A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Communication device and filter thereof |
| CN113054368A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Communication system and filter thereof |
| CN113054376A (en) * | 2019-12-27 | 2021-06-29 | 深圳市大富科技股份有限公司 | Filter and communication equipment |
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Application publication date: 20100609 |